97493218 has 8 divisors (see below), whose sum is σ = 153936720. Its totient is φ = 46180980.

The previous prime is 97493191. The next prime is 97493219. The reversal of 97493218 is 81239479.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (97493219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1282768 + ... + 1282843.

It is an arithmetic number, because the mean of its divisors is an integer number (19242090).

Almost surely, 2^97493218 is an apocalyptic number.

97493218 is a deficient number, since it is larger than the sum of its proper divisors (56443502).

97493218 is a wasteful number, since it uses less digits than its factorization.

97493218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2565632.

The product of its digits is 108864, while the sum is 43.

The square root of 97493218 is about 9873.8654031742. The cubic root of 97493218 is about 460.2475321821.

The spelling of 97493218 in words is "ninety-seven million, four hundred ninety-three thousand, two hundred eighteen".